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5-8
MicroLogix 1500 Ladder Example Program
Example Program Data Table
Integer File N7: is used to contain the input and output data to/from the
three channels:
Channel 1 Channel 2 Channel 3
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
N7: Word
40
80
41
81
42
82
43
83
44
84
45
85
46
86
47
87
48
88
49
89
50
90
51
91
52
92
53
93
54
94
55
95
56
96
57
97
58
98
59
99
60
100
61
101
62
102
63
103
64
104
65
105
66
106
67
107
68
108
69
109
70
110
71
111
72
112
73
113
74
114
75
115
76
116
77
117
78
118
79
119
Description
not used
not used
Reference (low)
Reference (high)
Datalink A1 Out (low)
Datalink A1 Out (high)
Datalink A2 Out (low)
Datalink A2 Out (high)
Datalink B1 Out (low)
Datalink B1 Out (high)
Datalink B2 Out (low)
Datalink B2 Out (high)
Datalink C1 Out (low)
Datalink C1 Out (high)
Datalink C2 Out (low)
Datalink C2 Out (high)
Datalink D1 Out (low)
Datalink D1 Out (high)
Datalink D2 Out (low)
Datalink D2 Out (high)
Channel Status
Logic Status
Feedback (low)
Feedback (high)
Datalink A1 In (low)
Datalink A1 In (high)
Datalink A2 In (low)
Datalink A2 In (high)
Datalink B1 In (low)
Datalink B1 In (high)
Datalink B2 In (low)
Datalink B2 In (high)
Datalink C1 In (low)
Datalink C1 In (high)
Datalink C2 In (low)
Datalink C2 In (high)
Datalink D1 In (low)
Datalink D1 In (high)
Datalink D2 In (low)
Datalink D2 In (high)
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